If your having problems with EPS and nothing works.
You can convert the eps files to bgeo files with the Terminal app. Then they will work. At least they did for me. I just don't like the workflow of having to use the Terminal all the time.

In case you are like me and on a Mac. Here is a way to do it with a right click on the eps file in Finder and choosing a Service. Done with Automator in OSX.

01. Open Automator
02. Choose Service
03. Choose Files and folders, from Finder
04. Add a Run Shell Script, paste inputs as arguments
05. Paste in the following, mind replacing brackets with your version:
cd /Library/Frameworks/Houdini.framework/Versions//Resources;source houdini_setup
for f in “$@”
do
geps -h $f $f.bgeo
done

06. Save. Now try. The service will be saved in User > Library > Services.